Electronic Audio Experiments Beholder

 Another request. Here is something quite different; sort of a distressed sounding reverb/fuzz/noisebox. Schematic is avaiable HERE.

Redson 12 Overdrive

 Here is a quite rare old japanese  low to mid gain overdrive that is supposed to sound really good.

A big thanks to Tobias for the trace!

 

 

Guyatone MM2 Metal Master w. mods

Schematic is avaiable HERE.

Some mods needed to be done to make it more versitale. First, the 3 position slider switch is replaced by a rotary switch. Second, High and Mid eq sections were hardwired internally. Since  they are pretty much the same as in Boss MT-2 High and Mid eq sections, it was pretty easy to add external pots for these.

 

Electronic Audio Experiments Mu Blaster

 This was a request. Schematic and a neat circuit description is avaiable HERE.

Fulltone 2B

 Schematic is avaiable HERE.

Note that this is a buffered effect so the offboard wiring is a bit unusual.

 

Danelectro Daddy O

 

ProCo / Fuzzdog 3-Band Rat

 This is a request. Fuzzdog tweaked a the classic Rat circuit a few years ago. It includes the "Reutz mod", a diode selector switch for assymetric silicon/LED clipping and a Marshall 3-band tonestack. The output buffer is tweaked into a gain recovery J FET stage to cover up the lossy tonestack. For a Sunn/Supergroup tonestack, just replace the 33k resistor with 56k and 470pF capacitor with 270pF.

Ibanez EM5 Echomachine Delay

 Factory schematic is avaiable HERE.

Deadend Fx has a good trimpot setup guide HERE.

 

 

 

 

 

Danelectro CD-1 Cool Cat Distortion

 

Danelectro D-1 Fab Tone Distortion

 A very old request and I forgot I had it in a folder. Somewhat related to some of the DOD "Lamb" series dirt boxes, 

Runoffgroove UBE Screamer

Another interesting circuit design by ROG; using a hex invrter to emulate a Tubescreamer 

Schematic and a writeup is avaiable HERE.

Note that the resistor labelled "X" in the schematic is replaced by a 500k trimpot so you dial in the right amount of clean signal. Set it at around 100k for single coils, 220k for normal humbuckers or set it to 500k for hot humbuckers.

Runoffgroove Omega

 Quite an interesting little treble booster from ROG for Vox toanz. Schematic and a writeup is avaiable HERE.

Thorpy Fx Heavy Water

 Schematic is avaiable HERE.

Motley Crue Dr. Feelgood Distortion

 Not much info on the manufacturer of this one but I believe it was made by TC Electronics. Note that I have seprated the the Instrument/Line level section into a daughterboard. Simply to to have the option to leave it out and cram the main board into a smaller enclosure...

Schematic is avaiable HERE.

 

 

 

King Tone Blues Power

Schematic is avaiable HERE.

Greer Soma 63

 Schematic is avaiable HERE.

Way Huge Fat Sandwich

 

Way Huge Angry Troll

 

Way Huge Tone Leper

 

Aclam Dr Robert

 Schematic is avaiable HERE.